Call of the Veteran operates by making an orb-type object appear in game. You then click on that and choose to either teleport or summon, and then select the person to teleport to or summon to you.
If you're looking at the right click context menu to zone to a player... that's an old feature to swap between versions of the same public zone (like Antonica 2 to Antonica 1) and is unrelated to Call of the Veteran.
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